public void GetFollowersUserNames_ReturnsNullReferenceException_WhenArgumentIsNull()
{
// Act & Assert
var ex = Assert.Throws <NullReferenceException>(() => UserNetworkHelpers.GetFollowersUserNames(null));
Assert.Equal("The followers collection is null", ex.Message);
}
public void GetFollowersUserNames_ReturnsEmptyCollection_WhenInputCollectionIsEmpty()
{
// Arrange
var emptyInputCollection = new List <Network>();
// Act
var result = UserNetworkHelpers.GetFollowersUserNames(emptyInputCollection);
// Assert
Assert.IsType <List <String> >(result);
Assert.Empty(result);
}
public void GetFollowersUserNames_ReturnsCollection_WhenInputCollectionLengthIsGreaterThan0(int length)
{
// Arrange
var testCollection = GetDynamicNetworkCollection(length);
// Act
var result = UserNetworkHelpers.GetFollowersUserNames(testCollection);
// Assert
Assert.IsType <List <String> >(result);
Assert.NotEmpty(result);
Assert.Equal(length, result.Count);
Assert.Equal("Test 1", result[0]);
Assert.Equal("Test " + length.ToString(), result[length - 1]);
}
